How to do a good job of cooling is to ensure that an important step in the life of the engine after automobile engine has used for a long time. The engine water pump has this important function. So drivers don’t forget to check the water pump when doing daily maintenance. Next we will provide six step for maintenance to ensure the water pump cycling successfully.
1.check the pump body and belt pulley. When they have worn and damaged, you may change a new one if it is necessary.
2.decomposition with sequential after the water pump brought out.
3.use emery cloth to grinding if the water seal has been abrasion. And use plane reamer or repair in the lathe if the water seal has any coarse scratches.
4.We can repair welding if the pump body has some damage such as not extend into the crack of bearing seat hole under 30mm, has a breaking part on the flange, has been damaged on the oil seal seat hole.
5.Ensure the water pump bearing can rotate flexible and has no abnormal noise.
6.Rotate with hand after the water pump has been assembled and ensure pump shaft has no clamping stagnation, impeller and pump shell has no rub impact. Then check the drainage volume of water pump. If there is any problem, you should check the reason and exclude.
Monday, July 28, 2014
Tuesday, July 15, 2014
Valve Core In The Faucet
Ordinary consumers concerns about the appearance of kitchen faucet at first when choosing the kitchen faucet. But the more important is its function and water way. It means that the key to choose kitchen faucet is faucet valve core. At present, the common valves are stainless steel spool, copper core and ceramic valve core. And the ceramic valve is widely used in daily life. Certainly it is important to know how to change the valve core. If you want to change the faucet valve core, you should loosen the screws then pull the handle at first. Then pull out the shell. Finally loosen the screws which lock switch core and take the old switch core away, installing new one on a proper position.
Stainless steel valve is one kind of valve that with high content of science and technology. But it is easy to be rust and even make pollution to the water if the steel material is not good. Copper valve is heaviest and expensive. While the requirement to copper quality is very high. Otherwise it is easy to save scale. The advantage of axle roll Faxing is that the faucet handle rotate smoothly, the operation is easy, feel comfortable, aging resistance and abrasion resistance. The ball valve handle has large angle in the area of adjusting water temperature. It can control water temperature of faucet accurately and ensure the hot water out quickly and accurately. So it will play the effect of energy saving. Ceramic valve core is the best valve core with the advantage of strong resistance to abrasion, good sealing performance, long service life and high temperature resistance.
Stainless steel valve is one kind of valve that with high content of science and technology. But it is easy to be rust and even make pollution to the water if the steel material is not good. Copper valve is heaviest and expensive. While the requirement to copper quality is very high. Otherwise it is easy to save scale. The advantage of axle roll Faxing is that the faucet handle rotate smoothly, the operation is easy, feel comfortable, aging resistance and abrasion resistance. The ball valve handle has large angle in the area of adjusting water temperature. It can control water temperature of faucet accurately and ensure the hot water out quickly and accurately. So it will play the effect of energy saving. Ceramic valve core is the best valve core with the advantage of strong resistance to abrasion, good sealing performance, long service life and high temperature resistance.
Thursday, June 26, 2014
Install Bathroom Faucet
The faucets are including single lever faucet, double handle mixers and drinking water taps. Ceramic cartridge and mechanical cartridge are both available. Most of the faucets are made from brass and chrome plated. Please ensure the left pipe is hot and the right pipe is cold before install thermostatic faucet. Don’t take the rong pipes in case of not working. Gas and solar water heater can not use thermostatic faucet because the low pressure of water. Certainly, don’t forget to install filter.
When you purchase a shower, bath, wall-mounted faucet, you can select the appropriate height buried outlet. The pitch between hot pipe and cold pipe must reach 15 centimeter. Don’t forget to wash the pipe before installation in order to avoiding the quality of water quality excellent and damage the bathroom faucet.
After buy the concealed faucet, you should put the spool of the faucet embedded in the wall. Pay attention to the thickness of the bathroom wall before embedded. The valve body can not be be embedded if the wall is too thin. You had better not removed the plastic protective cover of the spool to avoid damaging the spool. Besides you should be careful the direction of the spool.
When you purchase a shower, bath, wall-mounted faucet, you can select the appropriate height buried outlet. The pitch between hot pipe and cold pipe must reach 15 centimeter. Don’t forget to wash the pipe before installation in order to avoiding the quality of water quality excellent and damage the bathroom faucet.
After buy the concealed faucet, you should put the spool of the faucet embedded in the wall. Pay attention to the thickness of the bathroom wall before embedded. The valve body can not be be embedded if the wall is too thin. You had better not removed the plastic protective cover of the spool to avoid damaging the spool. Besides you should be careful the direction of the spool.
Tuesday, June 17, 2014
Choose Good Bathroom Faucet
With the development of science and technology, the style of effluent is more and more attention. We have habit to the ordinary style of effluent, but there are also any other styles, for example, some faucet can make the water mixed with air through some special equipments. It will produce the water which looks like milk. While the impact force of the water will be decreased greatly and also reach the effect of water saving. If you ask for hot water with one day at home, it is necessary to choose a good quality faucet.
When you are choosing the bathroom faucet, you must be more careful. Firstly, you should choose a bathroom faucet with water saving. Good bathroom faucet has long life and customer usually buy one with water saving. However people don’t know how to choose a good one. In this problem, the experts have their suggestions. You must pay attention to the test report of faucet, buy the shower with filtering net and filter. Besides you should know that the big shower usually more waste than smaller. Secondly, you may choose the faucet with raven surface. Especially the faucet has corrosion resistance. As we known, many faucets will be electroplated without complete the work of surface treatment. So there will be remain many impurities in the faucet and it will has big effect on life. Certainly, some coating thickness of the faucet is smaller because many factories will use this method to reduce the cost and shorten the plating time. Finally, the connecting nut should be copper. The connecting nut with bad quality will be crack at the time of installation.
When you are choosing the bathroom faucet, you must be more careful. Firstly, you should choose a bathroom faucet with water saving. Good bathroom faucet has long life and customer usually buy one with water saving. However people don’t know how to choose a good one. In this problem, the experts have their suggestions. You must pay attention to the test report of faucet, buy the shower with filtering net and filter. Besides you should know that the big shower usually more waste than smaller. Secondly, you may choose the faucet with raven surface. Especially the faucet has corrosion resistance. As we known, many faucets will be electroplated without complete the work of surface treatment. So there will be remain many impurities in the faucet and it will has big effect on life. Certainly, some coating thickness of the faucet is smaller because many factories will use this method to reduce the cost and shorten the plating time. Finally, the connecting nut should be copper. The connecting nut with bad quality will be crack at the time of installation.
Thursday, April 17, 2014
The Reason And Solutions Of Leaky Faucet
In our daily life, sometimes you will find the faucet is still leaking after screwing. It always drips and cause a lot of waste. Sometimes its noise would cause some problems. In fact, the structure of faucet is simple, you can totally repair it by yourself. Generally speaking, the problem of faucet leaking could be solved by put the part internal axial shim or triangle seals. However, you should turn off the master switch of faucet before you repair.
The leaking of faucet joint is caused by broken sealing adhesive tape. So we should use the wrench to remove the faucet and roll on the new sealing tape again. Firstly, you should screw the faucet and use the wrench to remove the faucet by anti-clockwise.Then put the threaded holes outward and use the printing tape roll back to 5-6 by clockwise on the threaded part. If the faucet is adjusted well, please use the wrench rolling by clockwise. Finally, you should turn on the total switch to ensure the faucet is not leaking.
If the faucet is still leaking after fasten,we should study further.If the water outlet is leaking, you should use the wrench to tie the gland loosen and remove. Replace a new axial shim. If the lower gap of faucet is leaking, you can remove the bolt head and the gland.Then put a new triangle gasket. If the pipe joint is leaking, you can fasten cap nut again or put on a new U gasket.
It may has been occur water leakage situation if the water become small. It should find a professional repair division leading cleaning. But you must replace a new rubber pad if it is broken. Generally speaking, the correct use of the faucet is don’t rotate the faucet too tight. We also advise replace the hot and cold on both sides of the rubber pad regularly.
The leaking of faucet joint is caused by broken sealing adhesive tape. So we should use the wrench to remove the faucet and roll on the new sealing tape again. Firstly, you should screw the faucet and use the wrench to remove the faucet by anti-clockwise.Then put the threaded holes outward and use the printing tape roll back to 5-6 by clockwise on the threaded part. If the faucet is adjusted well, please use the wrench rolling by clockwise. Finally, you should turn on the total switch to ensure the faucet is not leaking.
If the faucet is still leaking after fasten,we should study further.If the water outlet is leaking, you should use the wrench to tie the gland loosen and remove. Replace a new axial shim. If the lower gap of faucet is leaking, you can remove the bolt head and the gland.Then put a new triangle gasket. If the pipe joint is leaking, you can fasten cap nut again or put on a new U gasket.
It may has been occur water leakage situation if the water become small. It should find a professional repair division leading cleaning. But you must replace a new rubber pad if it is broken. Generally speaking, the correct use of the faucet is don’t rotate the faucet too tight. We also advise replace the hot and cold on both sides of the rubber pad regularly.
Friday, October 25, 2013
Have an idea of ball valve
Valves
are used to control the flow of gases, liquids and granular solids.
They come in many types, sizes, materials, pressure and temperature
ratings, and means of actuation. Gate valves and ball valves are two
distinct members of the valve family, and are generally used for two
different types of flow control.
A ball valve, one type of quarter turn valve, is quite literally a ball placed in a passageway through which fluid flows. The ball has a hole through it, by which the valve opens and closes. When the ball is positioned so that the hole runs the same direction as the passageway, the fluid simply flows through it, and the valve is open. The ball can also be positioned so that the hole is perpendicular to the passageway so that the fluid cannot pass through, and the valve is closed. It is controlled from the outside, often with a handle that is turned back and forth to open and close the valve.
Most ball valves can readily withstand the heat of a propane torch. However, if you are concerned about overheating and damaging the valve, you may wrap a wet rag around the body of the valve to keep it cool.
There are three different types of ball valve. A full port valve offers no flow restriction, which means that when it is open, the liquid can flow freely through it. This is achieved by making the ball larger than the passage size, so that the hole can be the same size as the passage. A standard port ball valve does not have an oversized ball, and as a result, the hole is one size smaller than the passageway. This creates a small amount of flow restriction as the fluid passes through. A reduced port valve, on the other hand, has an smaller ball and an even smaller hole, which creates significant flow restriction as the fluid passes through it.
The forged body ball valve provides extended service life and resists failure caused by severe temperature applications. Optimum flow design assures maximum system efficiency. Highly inert PTFE seats and seals provide resistance to chemical corrosion. Parker also provides a blow-out proof stem, chrome plated brass ball and a specially designed handle enabling increased turning leverage for ease of opening and closing. Parker’s ball valve can be readily identified assuring high quality engineering and reliability.
Ball valves are commonly used in plumbing. They are installed in the hot and cold water copper lines so if you have to do a repair job like changing the faucets on a sink or taking out a sink to put a new one in, you don't have to turn off the water to the entire house. You just turn off the ball valve on the water lines leading to the work project.The handle of the valve is connected to an internal ball that has a hole running through it. When the valve is in the open position the hole in the ball is lined up with the opening in the copper pipes on either side of it. When the ball valve is in the closed position the holes disappear from in front of the pipe openings and no water can flow through. Soldering in a ball valve is no different from soldering a regular copper joint. Here is how to solder in a ball valve on a new copper water pipe installation.
Ball valves can be full port or reduced port. Full port means the ball is oversized and allows for full flow; reduced port means the ball is roughly the same size as the inner diameter of the valve and restricts flow. Plug valves are mostly full port.
Edit by http://www.cnhanjoy.com
A ball valve, one type of quarter turn valve, is quite literally a ball placed in a passageway through which fluid flows. The ball has a hole through it, by which the valve opens and closes. When the ball is positioned so that the hole runs the same direction as the passageway, the fluid simply flows through it, and the valve is open. The ball can also be positioned so that the hole is perpendicular to the passageway so that the fluid cannot pass through, and the valve is closed. It is controlled from the outside, often with a handle that is turned back and forth to open and close the valve.
Most ball valves can readily withstand the heat of a propane torch. However, if you are concerned about overheating and damaging the valve, you may wrap a wet rag around the body of the valve to keep it cool.
There are three different types of ball valve. A full port valve offers no flow restriction, which means that when it is open, the liquid can flow freely through it. This is achieved by making the ball larger than the passage size, so that the hole can be the same size as the passage. A standard port ball valve does not have an oversized ball, and as a result, the hole is one size smaller than the passageway. This creates a small amount of flow restriction as the fluid passes through. A reduced port valve, on the other hand, has an smaller ball and an even smaller hole, which creates significant flow restriction as the fluid passes through it.
The forged body ball valve provides extended service life and resists failure caused by severe temperature applications. Optimum flow design assures maximum system efficiency. Highly inert PTFE seats and seals provide resistance to chemical corrosion. Parker also provides a blow-out proof stem, chrome plated brass ball and a specially designed handle enabling increased turning leverage for ease of opening and closing. Parker’s ball valve can be readily identified assuring high quality engineering and reliability.
Ball valves are commonly used in plumbing. They are installed in the hot and cold water copper lines so if you have to do a repair job like changing the faucets on a sink or taking out a sink to put a new one in, you don't have to turn off the water to the entire house. You just turn off the ball valve on the water lines leading to the work project.The handle of the valve is connected to an internal ball that has a hole running through it. When the valve is in the open position the hole in the ball is lined up with the opening in the copper pipes on either side of it. When the ball valve is in the closed position the holes disappear from in front of the pipe openings and no water can flow through. Soldering in a ball valve is no different from soldering a regular copper joint. Here is how to solder in a ball valve on a new copper water pipe installation.
Ball valves can be full port or reduced port. Full port means the ball is oversized and allows for full flow; reduced port means the ball is roughly the same size as the inner diameter of the valve and restricts flow. Plug valves are mostly full port.
Edit by http://www.cnhanjoy.com
Friday, October 11, 2013
Centrifugal pump
A centrifugal pump
converts the input power to kinetic energy in the liquid by
accelerating the liquid by a revolving device - an impeller. The most
common type is the volute pump. Fluid enters the pump through the eye of
the impeller which rotates at high speed. The fluid is accelerated
radially outward from the pump chasing. A vacuum is created at the
impellers eye that continuously draws more fluid into the pump.
Centrifugal pumps are a sub-class of dynamic axisymmetric work-absorbing turbomachinery. Centrifugal pumps are used to transport fluids by the conversion of rotational kinetic energy to the hydrodynamic energy of the fluid flow. The rotational energy typically comes from an engine or electric motor. The fluid enters the pump impeller along or near to the rotating axis and is accelerated by the impeller, flowing radially outward into a diffuser or volute chamber (casing), from where it exits.
If the discharge of a centrifugal pump is pointed straight up into the air the fluid will pumped to a certain height - or head - called the shut off head. This maximum head is mainly determined by the outside diameter of the pump's impeller and the speed of the rotating shaft. The head will change as the capacity of the pump is altered.
Vertical centrifugal pumps are also referred to as cantilever pumps. They utilize a unique shaft and bearing support configuration that allows the volute to hang in the sump while the bearings are outside of the sump. This style of pump uses no stuffing box to seal the shaft but instead utilizes a "throttle Bushing". A common application for this style of pump is in a parts washer.
A machine for moving fluid by accelerating it radially outward. More fluid is moved by centrifugal pumps than by all other types combined. Centrifugal pumps consist basically of one or more rotating impellers in a stationary casing which guides the fluid to and from the impeller or from one impeller to the next in the case of multistage pumps. Impellers may be single suction or double suction.
Circulation pumps are also called circle pumps, they are mostly working for heating systems or mix water systems. Normally, the power of motor is from 75w to 165w, the voltage is 1-230v, 50hz. We have models 25-40, 25-60, 32-80 and so on. The pump head can be two size 130mm and 180mm. And the outlet hole size is normally 1-1/2”. The pump body is cast iron, the impeller is GF-PP, the shalf is stainless steel.
Edit by http://www.cnhanjoy.com
Centrifugal pumps are a sub-class of dynamic axisymmetric work-absorbing turbomachinery. Centrifugal pumps are used to transport fluids by the conversion of rotational kinetic energy to the hydrodynamic energy of the fluid flow. The rotational energy typically comes from an engine or electric motor. The fluid enters the pump impeller along or near to the rotating axis and is accelerated by the impeller, flowing radially outward into a diffuser or volute chamber (casing), from where it exits.
If the discharge of a centrifugal pump is pointed straight up into the air the fluid will pumped to a certain height - or head - called the shut off head. This maximum head is mainly determined by the outside diameter of the pump's impeller and the speed of the rotating shaft. The head will change as the capacity of the pump is altered.
Vertical centrifugal pumps are also referred to as cantilever pumps. They utilize a unique shaft and bearing support configuration that allows the volute to hang in the sump while the bearings are outside of the sump. This style of pump uses no stuffing box to seal the shaft but instead utilizes a "throttle Bushing". A common application for this style of pump is in a parts washer.
A machine for moving fluid by accelerating it radially outward. More fluid is moved by centrifugal pumps than by all other types combined. Centrifugal pumps consist basically of one or more rotating impellers in a stationary casing which guides the fluid to and from the impeller or from one impeller to the next in the case of multistage pumps. Impellers may be single suction or double suction.
Circulation pumps are also called circle pumps, they are mostly working for heating systems or mix water systems. Normally, the power of motor is from 75w to 165w, the voltage is 1-230v, 50hz. We have models 25-40, 25-60, 32-80 and so on. The pump head can be two size 130mm and 180mm. And the outlet hole size is normally 1-1/2”. The pump body is cast iron, the impeller is GF-PP, the shalf is stainless steel.
Edit by http://www.cnhanjoy.com
Subscribe to:
Posts (Atom)